Donate to e Foundation | Murena handsets with /e/OS | Own a part of Murena! Learn more

Commit 2b03fc1d authored by Sam bobroff's avatar Sam bobroff Committed by Michael Ellerman
Browse files

selftests/powerpc: Move get_auxv_entry() to harness.c



Move get_auxv_entry() from pmu/lib.c up to harness.c in order to make
it available to other tests.

Signed-off-by: default avatarSam Bobroff <sam.bobroff@au1.ibm.com>
Signed-off-by: default avatarMichael Ellerman <mpe@ellerman.id.au>
parent feba4036
Loading
Loading
Loading
Loading
+47 −0
Original line number Diff line number Diff line
@@ -11,6 +11,10 @@
#include <sys/types.h>
#include <sys/wait.h>
#include <unistd.h>
#include <elf.h>
#include <fcntl.h>
#include <link.h>
#include <sys/stat.h>

#include "subunit.h"
#include "utils.h"
@@ -112,3 +116,46 @@ int test_harness(int (test_function)(void), char *name)

	return rc;
}

static char auxv[4096];

void *get_auxv_entry(int type)
{
	ElfW(auxv_t) *p;
	void *result;
	ssize_t num;
	int fd;

	fd = open("/proc/self/auxv", O_RDONLY);
	if (fd == -1) {
		perror("open");
		return NULL;
	}

	result = NULL;

	num = read(fd, auxv, sizeof(auxv));
	if (num < 0) {
		perror("read");
		goto out;
	}

	if (num > sizeof(auxv)) {
		printf("Overflowed auxv buffer\n");
		goto out;
	}

	p = (ElfW(auxv_t) *)auxv;

	while (p->a_type != AT_NULL) {
		if (p->a_type == type) {
			result = (void *)p->a_un.a_val;
			break;
		}

		p++;
	}
out:
	close(fd);
	return result;
}
+0 −47
Original line number Diff line number Diff line
@@ -5,15 +5,10 @@

#define _GNU_SOURCE	/* For CPU_ZERO etc. */

#include <elf.h>
#include <errno.h>
#include <fcntl.h>
#include <link.h>
#include <sched.h>
#include <setjmp.h>
#include <stdlib.h>
#include <sys/stat.h>
#include <sys/types.h>
#include <sys/wait.h>

#include "utils.h"
@@ -256,45 +251,3 @@ bool require_paranoia_below(int level)
	return rc;
}
static char auxv[4096];

void *get_auxv_entry(int type)
{
	ElfW(auxv_t) *p;
	void *result;
	ssize_t num;
	int fd;

	fd = open("/proc/self/auxv", O_RDONLY);
	if (fd == -1) {
		perror("open");
		return NULL;
	}

	result = NULL;

	num = read(fd, auxv, sizeof(auxv));
	if (num < 0) {
		perror("read");
		goto out;
	}

	if (num > sizeof(auxv)) {
		printf("Overflowed auxv buffer\n");
		goto out;
	}

	p = (ElfW(auxv_t) *)auxv;

	while (p->a_type != AT_NULL) {
		if (p->a_type == type) {
			result = (void *)p->a_un.a_val;
			break;
		}

		p++;
	}
out:
	close(fd);
	return result;
}
+0 −1
Original line number Diff line number Diff line
@@ -29,7 +29,6 @@ extern int notify_parent(union pipe write_pipe);
extern int notify_parent_of_error(union pipe write_pipe);
extern pid_t eat_cpu(int (test_function)(void));
extern bool require_paranoia_below(int level);
extern void *get_auxv_entry(int type);

struct addr_range {
	uint64_t first, last;
+1 −1
Original line number Diff line number Diff line
@@ -20,7 +20,7 @@ typedef uint8_t u8;


int test_harness(int (test_function)(void), char *name);

extern void *get_auxv_entry(int type);

/* Yes, this is evil */
#define FAIL_IF(x)						\